Electromagnetic Fields
It is important to shield the interferometric system from electromagnetic fields, as they can induce unwanted phase-shifts due to the Aharonov-Bohm effect. Static fields will result in a fixed shift of the interference pattern. It is clear every component and sample must be properly grounded and shielded from outside noise.
Read more about this topic: Electron Holography
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—Philip Larkin (1922–1986)
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